China's Railgun Milestone: Guided Projectile Prototype Passes Real Firing Test

Chinese engineers have overcome a significant hurdle in electromagnetic railgun technology, successfully testing a guided projectile prototype that can survive extreme firing conditions.

For decades, weapon designers have grappled with the challenge of embedding delicate guidance systems within projectiles subjected to immense pressures and magnetic forces during railgun launch. The internal environment can reach pressures equivalent to an elephant standing on every square inch of a human body, coupled with intense magnetic storms.

A recent publication in the Journal of North University of China details a breakthrough achieved by a team led by associate professor Ge Shuangchao. Their research demonstrates that a smart projectile prototype not only endured the harsh conditions of a railgun launch but also recorded the entire experience.

During a real-world firing test, the prototype successfully navigated the extreme environment. It withstood an 8-millisecond pulse width, a G-force overload of 20,000g, and a magnetic flux density of 7 Tesla. This successful test marks a critical advancement, potentially enabling future railgun projectiles to actively steer towards their targets.

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The electromagnetic rail gun experiment verified that it can survive an extreme environment of an 8 ms pulse width, 20,000g-force overload, and a 7 T magnetic flux density.